Built for AI. Ready for pro workflows. Wherever work happens.

HP ZBook Ultra G3a Mobile Workstation PC

Q: What is the HP ZBook Ultra G3a 16-inch?

The HP ZBook Ultra G3a 16-inch is a high-performance AI mobile workstation designed for professionals who require high performance for engineering, design, content creation, data science, and AI workflows. The device combines next-generation AMD processing, advanced graphics capabilities, and up to 192GB of memory in a thin and light 16-inch design.

Q: What is the benefit of unified memory with scalable VRAM allocation?

The HP ZBook Ultra G3a 16-inch uses a unified memory architecture that allows more memory to be allocated to VRAM when workloads require it. This gives professionals greater flexibility to optimize available memory for graphics-intensive applications, AI workflows, visualization, and content creation without being limited by fixed graphics memory capacity.

Q: How does the HP ZBook Ultra G3a 16-inch compare to the ZBook Ultra G1a 14-inch?

The HP ZBook Ultra G3a 16-inch provides a larger display and increased memory capacity, with up to 192GB compared to the 128GB on the ZBook Ultra G1a 14-inch. The 16-inch ZBook Ultra also offers a larger haptic trackpad, optional WWAN connectivity, and the ability to assign VRAM through a graphical user interface (GUI) along with new HP thermal technology designed to deliver up to 81% better performance than the ZBook Ultra G1a.

Q: Who is the HP ZBook Ultra G3a 16-inch designed for?

The HP ZBook Ultra G3a 16-inch is designed for engineers, architects, designers, creators, developers, data scientists, AI developers and AI builders. It is built for users who need workstation-class performance in a mobile form factor.

Q: Can the HP ZBook Ultra G3a 16-inch support AI development and large local models?

Yes. The HP ZBook Ultra G3a 16-inch is designed for AI-enhanced workflows, local inferencing, model testing, data analysis, and machine learning tasks. With up to 192GB of memory, the HP ZBook Ultra G3a 16-inch can support large local models, multiple AI agents, and memory-intensive workloads running simultaneously.

Q: Is the HP ZBook Ultra G3a 16-inch suitable for CAD, 3D design, and rendering?

Yes. The HP ZBook Ultra G3a 16-inch is engineered for demanding professional workflows such as CAD, 3D design, visualization, rendering, simulation, and video editing. It is designed to support creators and technical professionals working with compute-intensive applications.

Q: Does the HP ZBook Ultra G3a 16-inch support mobile connectivity?

Yes. Select HP ZBook Ultra G3a 16-inch configurations offer optional WWAN connectivity. This helps professionals stay connected while traveling, working remotely, or operating in the field.

Q: Is the HP ZBook Ultra G3a 16-inch secure for business use?

Yes. The HP ZBook Ultra G3a 16-inch includes enterprise-ready security features designed to help protect devices, identities, and data. This makes it suitable for professional and business environments.

Run massive AI models and agents locally, up to 300B parameters, while tackling intensive workflows.As compared to running cloud models. Local AI capabilities, model support, tokens per second, and performance vary by model, configuration, software, and workload.^* Now you can reduce token costs, help keep data secure, and move to production—all while on the go.

Benefits of HP ZBook Ultra G3a Mobile Workstation

Local AI at scale

Run massive LLMs and AI agents directly on your workstation.

Intelligent workflows

Put AI to work automating routine tasks and accelerating complex workflows.

Reduced cloud dependence

Keep data local and avoid token costs.

Mobile workstation freedom

Take demanding professional workflows beyond the desk.

Power it all. No bottlenecks.

AMD Ryzen™ AI Max PRO 400 Series processor

Get exceptional performance-per-watt and the muscle to handle complex creation and AI tasks.Multicore is designed to improve performance of certain software products. Not all customers or software applications will necessarily benefit from use of this technology. Performance and clock frequency will vary depending on application workload and your hardware and software configurations. AMD ’s numbering is not a measurement of clock speed. Features and software that require an NPU may require software purchase, subscription or enablement by a software or platform provider, and third-party software may have specific configuration or compatibility requirements. Performance varies by use, configuration, and other factors.^*

Up to 192 GB unified memory and 160 GB dedicated VRAM

Bypass the constraints of traditional hardware to run and fine-tune large models locally.Memory is an optional feature that must be configured at purchase. Up to 192GB unified system memory is available on select configurations. Memory speed varies by capacity: up to 8533 MT/s for 16GB, 32GB, and 64GB configurations, and up to 8000 MT/s for 128GB and 192GB configurations. Actual performance varies by configuration, application, workload, and other factors.^*

Up to 55 NPU TOPS

Off-load and run productivity tasks locally with a power-efficient engine for persistent AI background tasks.Features and software that require an NPU may require software purchase, subscription or enablement by a software or platform provider, and third-party software may have specific configuration or compatibility requirements. Performance varies by use, configuration, and other factors.^*

Integrated AMD Radeon™ graphics

Enjoy exceptional responsiveness, accelerated engeinering workloads and rapid content creation.

Up to 8 TB storageFor hard drives, GB = 1 billion bytes. TB = 1 trillion bytes. Actual formatted capacity is less. Up to 30GB (for Windows 10) of system disk is reserved for system recovery software.^*

Blitz through multiple tasks and ditch external drives with local NVMe storage.

ISV-certified

Professionally certified by major software vendors for peak performance with your applications.

Revolutionary thermal design to unlock 81% better performanceUp to 81% (actual 81.8%) higher TDP compared to the ZBook Ultra G1a with a max TDP of 55W and ZBook Ultra G3a with a max TDP of 100W^*

Custom mid-mount fans

Dual dynamic mid-mount fans featuring 4x larger fin surface area, a new hinge design, and a balanced chassis geometry to maximize thermal ventilation that sustains high‑load performance (up to 100W TDP) in a thin and light device.

Larger vapor chamber

Featuring copper‑reinforced heat spreaders to facilitate heat transfer across components and distribute it across the larger chamber for optimized cooling.

Real-time power distribution

BIOS-level innovations detect and distribute power to the relevant components according to which app is in use, for more efficient power consumption and distribution.

Bring AI into your professional tools with Perplexity

Perplexity connectorsPerplexity 30-day trial. Click on the Perplexity icon in the start menu or task bar to take advantage of a 30-day trial membership of select Perplexity products. Subscription required after expiration. Offer is tied to the device and is not transferrable. Offer subject to change without notice. See Perplexity for complete details. Perplexity features, connectors, and supported integrations vary by software, application version, and region.^* and HP-exclusive skills help you learn faster, automate tasks, and get more done with applications like Autodesk Revit.Third-party software sold separately.^* Get started quickly with a pre-installed Perplexity link and redeem 5,000 free credits plus a 30-day Enterprise Pro trial.

Watch

Leave token fees behind

See how running AI locally can help reduce recurring cloud costs. Calculate your potential savings with a ZBook Ultra G3a using the Local AI Value Calculator.

Learn More

Built to move.
Engineered for comfort.

Seamlessly go from the office to the field, and comfortably work wherever work takes you.

Mobility

Take a comfortable 16-inch workspace with you in the world's most powerful 16" thin performance mobile workstation,Based on HP’s internal analysis of currently available 16-inch thin performance mobile workstations from dedicated workstation brands, with a minimum of three ISV certifications and configurable professional graphics, as of August 2026. Most powerful is based on the highest combined maximum configurable processor, professional graphics, graphics memory, and system memory specifications. HP configuration used includes AMD Ryzen AI Max+ PRO 495 processor, Radeon unified memory professional GPU with 192 GB DDR5 system memory, and up to 160 GB total dedicated graphics memory (VRAM).^* built for work beyond the desk.

Battery life

Power through a full day of meetings, design reviews, and project work without stopping to recharge with up to 16 hours of battery life.Up to 16.5 hours battery life with (MM30) and 96whr battery. Based on preliminary engineering estimates. Battery life will vary depending on the product model, configuration, loaded applications, features, use, wireless functionality, and power management settings. The maximum capacity of the battery will naturally decrease with time and usage. See MobileMark30 battery benchmark.^*

5G Connectivity

Stay connected even when you’re off the grid with HP Go 5G connectivity for uninterrupted connectivity wherever work takes you.HP 5G module is optional and must be configured at the factory. Module designed for 5G NR NSA (non-standalone) networks as carriers deploy Evolved-Universal Terrestrial Radio Access New Radio Dual Connectivity (ENDC) with both 100Mhz of 5G NR and LTE channel bandwidth, using 256QAM 4x4 as defined by 3GPP. Module requires activation and separately purchased service contract. Check with service provider for coverage and availability in your area. Data connection, upload and download speeds will vary due to network, location, environment, network conditions, and other factors. Backwards compatible to 4G LTE and 3G HSPA technologies. 5G module planned to be available in select platforms and select countries, where carrier supported. HP Go is available as a separate subscription in North America, requires 5G and must be configured at the time of purchase on select HP commercial laptops and workstations.^*

Large haptic pad

Experience smooth, precise navigation with a large, customizable haptic pad featuring pressure-sensitive controls and a fully clickable surface.

Protected by HP Wolf Security

HP Wolf Security for BusinessHP Wolf Security for Business requires Windows 10 or 11 Pro and higher, includes various HP security features and is available on HP Pro, Elite, Workstation, and RPOS products. See product details for included security features.^* includes built-in, hardware-enforced, always-on protection to help defend against modern threats.

Stunning display options

OLED display

Experience stunning visuals with a 2.8K OLED display featuring deep blacks, vibrant colors, up to 500 nits, and up to 120Hz refresh rate. OLED Display available in Touch and non-touch.

4K HP DreamColor display

Enjoy exceptional color accuracy, stunning 4K detail and smooth 120 Hz visuals with the HP DreamColor display.

QHD NEO:LED Display

Experience vibrant color, rich contrast, and fluid 120Hz visuals with a QHD NEO:LED display designed to deliver premium image quality at optimized power levels.

See what others are saying

“The HP ZBook Ultra G3a offers a genuinely new proposition for AEC firms.”

Greg Corke, AEC Magazine

“So if local AI is on the table, there is a need for mobility, and the user applications run on Windows, then there are currently no better alternatives than the HP ZBook Ultra G3a.”

Hernan Quijano, Jon Peddie Research

Multiple ports to maximize your productivity

1. HDMI 2.1
2. Thunderbolt™ 4 with USB Type-C® 40 Gbps signaling rate (USB Power Delivery, DisplayPort™ 2.1)
3. USB Type-C® 10 Gbps signaling rate (USB Power Delivery, DisplayPortT™2.1)
4. Power indicator LED
5. Audio jack
6. Nano SIM card slot
7. Micro SD card reader
8. Power indicator LED
9. Thunderbolt™ 4 with USB Type-C® 40 Gbps signaling rate (USB Power Delivery, DisplayPort™ 2.1)
10. USB Type-A 5 Gbps signaling rate (Powered)
11. Security lock

HP ZBook Ultra G3a mobile workstation side views showing available ports.

HP ZBook Ultra G3a Mobile Workstations specification

Best for

Running large LLMs and multiple AI agents locally, alongside pro workflowsLocal AI capabilities, model support, tokens per second, and performance vary by model, configuration, software, and workload.^*

Key specifications

Operating system
Windows 11 Pro,Not all features are available in all editions or versions of Windows. Systems may require upgraded and/or separately purchased hardware, drivers, software, or BIOS update to take full advantage of Windows functionality. Windows 11 is automatically updated, which is always enabled. High speed internet and Microsoft account required. ISP fees may apply, and additional requirements may apply over time for updates. See http://www.windows.com.^* Ubuntu 26.04 LTS

Processor
AMD Ryzen™ AI Max PRO 400 Series CPU with up to 16 desktop-class coresMulticore is designed to improve performance of certain software products. Not all customers or software applications will necessarily benefit from use of this technology. Performance and clock frequency will vary depending on application workload and your hardware and software configurations. AMD ’s numbering is not a measurement of clock speed. Features and software that require an NPU may require software purchase, subscription or enablement by a software or platform provider, and third-party software may have specific configuration or compatibility requirements. Performance varies by use, configuration, and other factors.^*

Graphics
Integrated: AMD Radeon™ Graphics

Maximum memory
Up to 192 GB of unified memory, sharing up to 160 GB dedicated VRAM via BIOS or GUIMemory is an optional feature that must be configured at purchase. Up to 192GB unified system memory is available on select configurations. Memory speed varies by capacity: up to 8533 MT/s for 16GB, 32GB, and 64GB configurations, and up to 8000 MT/s for 128GB and 192GB configurations. Actual performance varies by configuration, application, workload, and other factors.^*

Storage
Up to 8 TB PCIe-5x4 2280 NVMe Solid State DriveFor hard drives, GB = 1 billion bytes. TB = 1 trillion bytes. Actual formatted capacity is less. Up to 30GB (for Windows 10) of system disk is reserved for system recovery software.^*

Datasheet

Quickspecs

Frequently asked questions

What is the HP ZBook Ultra G3a 16-inch?

What is the benefit of unified memory with scalable VRAM allocation?

How does the HP ZBook Ultra G3a 16-inch compare to the ZBook Ultra G1a 14-inch?

Who is the HP ZBook Ultra G3a 16-inch designed for?

Can the HP ZBook Ultra G3a 16-inch support AI development and large local models?

Is the HP ZBook Ultra G3a 16-inch suitable for CAD, 3D design, and rendering?

Does the HP ZBook Ultra G3a 16-inch support mobile connectivity?

Is the HP ZBook Ultra G3a 16-inch secure for business use?

The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.

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